The IETF Datatracker has published the initial draft of the IAB workshop report on IP address geolocation, summarizing challenges, edge cases, and future directions.
Geoff Huston delivered many insightful posts in 2025. Here are three of the best.
Are IP addresses the right tool for determining location? Examining location from the perspectives of geolocation providers, CDNs, content intermediaries, RIRs, satellite operators, and other stakeholders.
The initial analysis of the anomalous data for Starlink users in 20 economies led APNIC Labs to override the Starlink geolocation data that refers to those 20 economies. This second look at the situation in Yemen has given us a lot more confidence in the fidelity of the Starlink geolocation data.
Geoff Huston discusses the problem of Geolocation and Starlink, with mis-attribution of traffic to economies an increasing concern.
A friendly how to guide for network operators.
Guest Post: How does the NTP Pool map clients to NTP servers and how can it be improved?
Understanding geolocation’s mechanics and sources is beneficial.
Opinion: Plans to register the locations of networks using geofeeds could improve accuracy.
Guest Post: Study finds non-trivial inaccuracies in geolocation approaches when mapping end-to-end Internet paths to physical locations.
